KIARUO Pneumatic Rivet Nut Gun with Self-locking vs Milwaukee M12 FUEL 12-Volt Li-Ion Brushless
Updated July 2026 — KIARUO Pneumatic Rivet Nut Gun with Self-locking wins on noise and weight, Milwaukee M12 FUEL 12-Volt Li-Ion Brushless wins on price and speed.
The KIARUO Pneumatic Rivet Nut Gun excels in its specialized function, while the Milwaukee M12 FUEL combo kit offers versatility for various tasks.
Why KIARUO Pneumatic Rivet Nut Gun with Self-locking is better
Price
KIARUO is significantly cheaper at $158.88.
Noise Level
KIARUO operates at ≤65 dB, quieter than many tools.
Specialization
KIARUO is tailored for rivet nut installation.
Why Milwaukee M12 FUEL 12-Volt Li-Ion Brushless is better
Versatility
Milwaukee combo kit handles both drilling and fastening.
Power
Milwaukee delivers 350 in. lbs. of torque.
Weight
Milwaukee tools are lighter, enhancing portability.
Overall score
Specifications
| Spec | KIARUO Pneumatic Rivet Nut Gun with Self-locking | Milwaukee M12 FUEL 12-Volt Li-Ion Brushless |
|---|---|---|
| Type | Rivet Nut Gun | Drill/Driver Combo |
| Mandrels | 3 sizes | N/A |
| Battery | Air | Li-Ion |
| Included Tools | 1 | 3 |
| Speed Control | Yes | 4 Modes |
Dimension comparison
Overview
When comparing the KIARUO Pneumatic Rivet Nut Gun and the Milwaukee M12 FUEL Hammer Drill and Impact Driver Combo Kit, it’s clear that these tools serve different purposes despite both being in the realm of power tools. The KIARUO gun is designed for installing rivet nuts efficiently, while the Milwaukee set is a versatile drilling and fastening solution.
The KIARUO Pneumatic Rivet Nut Gun is priced at $158.88 and currently holds a bestseller rank of 58,904. In contrast, the Milwaukee combo kit retails for $369.97 and has a bestseller rank of 90,897. The significant price difference, about 132%, indicates that buyers should consider their specific needs when evaluating these tools.
Purpose and Functionality
The primary use of the KIARUO Pneumatic Rivet Nut Gun is to install rivet nuts, making it ideal for automotive, construction, and assembly applications. It features a self-locking head that accommodates three different mandrel sizes: 1/4, 5/16, and 3/8 inches, allowing for quick and efficient changes without tools.
On the other hand, the Milwaukee M12 FUEL combo kit includes a hammer drill driver and an impact driver, which are designed for drilling and driving screws. The drill can reach speeds of up to 1,700 RPM and delivers 350 in. lbs. of torque, making it suitable for a variety of applications. This versatility is particularly beneficial for users who need both drilling and fastening capabilities in one package.
Build Quality and Design
The KIARUO Pneumatic Rivet Nut Gun is constructed with durable materials, including impact-resistant steel and high-quality alloy steel, which contributes to its longevity and performance. The embedded noise reduction feature ensures that the noise level remains below 65 dB, making it a user-friendly option for prolonged use.
Conversely, the Milwaukee combo kit boasts a lightweight design, with the hammer drill weighing just 2.8 lbs. and the impact driver 3.3 lbs. This lightness enhances portability, especially in tight spaces. The all-metal chuck and brushless motor are additional quality features that improve durability and overall performance, making it a reliable choice for both professionals and DIY enthusiasts.
Features and Versatility
The KIARUO tool excels in its niche, offering features like a speed adjust knob for enhanced control over its operation. This allows users to tailor the intensity and speed of their work, improving efficiency. The self-locking head design facilitates quick changes between mandrels, which is a significant time-saver.
In contrast, the Milwaukee M12 FUEL combo kit provides great versatility with its four-mode drive control feature, allowing users to adjust the speed and power according to the task at hand. The inclusion of a free M12 3/8 in. ratchet adds extra value, making it a more comprehensive solution for various tasks, from drilling to fastening.
Battery Life and Power Source
The KIARUO Pneumatic Rivet Nut Gun operates on compressed air, which means it does not rely on batteries but does require an air compressor. This can be seen as an advantage in environments where consistent power is needed without worrying about battery charge levels.
On the other hand, the Milwaukee combo kit is powered by M12 REDLITHIUM batteries, providing users with the convenience of cordless operation. The kit includes both a compact and an extended capacity battery, ensuring longer work periods without interruptions. The brushless motor in the Milwaukee tools also contributes to better battery efficiency, which is crucial for extensive projects.
Price Comparison
The KIARUO Pneumatic Rivet Nut Gun is priced at $158.88, making it a budget-friendly option for those specifically needing a rivet nut gun. In contrast, the Milwaukee combo kit, at $369.97, is about 132% more expensive. This price reflects the versatility and additional features provided by the Milwaukee tools, which cater to a broader range of tasks.
While the higher cost of the Milwaukee kit may deter some buyers, the investment could be justified for those who require both drilling and fastening capabilities.
Performance and User Experience
The performance of the KIARUO Pneumatic Rivet Nut Gun is optimized for its intended use, with features designed to minimize noise and improve efficiency. Users can expect a reliable and straightforward experience when using this pneumatic tool.
Meanwhile, the Milwaukee M12 FUEL hammer drill and impact driver are recognized for their impressive performance, being lightweight and compact without sacrificing power. The combination of speed and torque makes it an effective tool for various applications, enhancing user experience significantly.
Which should you buy?
Choosing between the KIARUO Pneumatic Rivet Nut Gun and the Milwaukee M12 FUEL combo kit largely depends on your specific needs. If you require a specialized tool for installing rivet nuts efficiently, the KIARUO gun, priced at $158.88, offers excellent features that cater to that need. However, if you are looking for a versatile solution that allows for both drilling and fastening, the Milwaukee kit, at $369.97, provides greater flexibility and performance across a variety of tasks. Ultimately, consider what tasks you will be performing most often to make the best choice for your toolkit.

